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Correction For Ionospheric Refraction For Cobra Dane
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Book Synopsis Correction for Ionospheric Refraction for COBRA DANE by : Richard S. Allen
Download or read book Correction for Ionospheric Refraction for COBRA DANE written by Richard S. Allen and published by . This book was released on 1977 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hit-to-hit correction for range error arising from ionospheric refraction has been developed for the COBRA DANE radar. First a FORTRAN procedure was developed to compute monthly median refraction corrections over the field of view. These were provided to the radar in the form of equivalent look-up tables. A FORTRAN program was developed for the radar computed index values for each target position (azimuth, elevation, and range) and a correction was determined for each radar hit. This procedure removed about 75 percent of the monthly mean ionospheric effect. A further reduction was then made by using first and update factor determined by the Air Force Global Weather Central and then a more accurate update derived from a two-frequency calibration made by the radar itself. These procedures are shown to be capable of removing up to 90 percent of the mean ionospheric effect.
Book Synopsis Correction for Ionospheric Refraction for COBRA DANE by : Richard S. Allen
Download or read book Correction for Ionospheric Refraction for COBRA DANE written by Richard S. Allen and published by . This book was released on 1977 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hit-to-hit correction for range error arising from ionospheric refraction has been developed for the COBRA DANE radar. First a FORTRAN procedure was developed to compute monthly median refraction corrections over the field of view. These were provided to the radar in the form of equivalent look-up tables. A FORTRAN program was developed for the radar computed index values for each target position (azimuth, elevation, and range) and a correction was determined for each radar hit. This procedure removed about 75 percent of the monthly mean ionospheric effect. A further reduction was then made by using first and update factor determined by the Air Force Global Weather Central and then a more accurate update derived from a two-frequency calibration made by the radar itself. These procedures are shown to be capable of removing up to 90 percent of the mean ionospheric effect.
Book Synopsis Air Force Surveys in Geophysics by :
Download or read book Air Force Surveys in Geophysics written by and published by . This book was released on 1976 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1981 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on Research at AFCRL. by : Air Force Cambridge Research Laboratories (U.S.)
Download or read book Report on Research at AFCRL. written by Air Force Cambridge Research Laboratories (U.S.) and published by . This book was released on 1976 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ionospheric Refraction Correction in Satellite Navigation by : Floyd Charles Bentley
Download or read book Ionospheric Refraction Correction in Satellite Navigation written by Floyd Charles Bentley and published by . This book was released on 1965 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Institute of Navigation. Satellite Division. International Technical Meeting Publisher : ISBN 13 : Total Pages :796 pages Book Rating :4.:/5 (318 download)
Book Synopsis Proceedings of ION GPS-94 by : Institute of Navigation. Satellite Division. International Technical Meeting
Download or read book Proceedings of ION GPS-94 written by Institute of Navigation. Satellite Division. International Technical Meeting and published by . This book was released on 1994 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Considerations Relative to Adapting TRANSIT Observations to Predicting Radar Range Correction by : Allen, Richard S.
Download or read book Considerations Relative to Adapting TRANSIT Observations to Predicting Radar Range Correction written by Allen, Richard S. and published by . This book was released on 1977 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uncertainties in the output data of SPACE TRACK radars caused by the variability of the ionosphere may be reduced 25 to 50 percent through the use of predictions of monthly median effects supplied by AWS/GWC. For some ADCOM missions this degree of correction is inadequate and a further reduction in error is necessary. This may be gained by using local measurements of ionospheric parameters, such as total electron content which may be obtained from TRANSIT satellite passes, to adapt the model ionosphere. An algorithm is proposed which uses data from sequential TRANSIT passes over a limited portion of the field of view of each ADCOM radar, to adapt the AWS/GWC prediction for the entire field of view. From the available TRANSIT data, it is estimated that the rms refraction error may be reduced by a factor of 3 to 4 by this technique. The principle problem which must be addressed by an adaptive technique is the inherent temporal and spatial variability of the ionosphere. The expected day-to-day variability is about 20 to 25 percent of the monthly median over a solar cycle for stations from the equator to auroral latitudes. In using TRANSIT data to adapt a local estimate of the ionospheric refraction correction, it is suggested that: 1. The adaptive techniques proposed, using TRANSIT data, should be tested against archive data. 2. Techniques using other sensors of the ionosphere, such as measurements of total electron content to synchronous satellites, should be developed and tested against archive data, and the results should be compared with the technique using TRANSIT data before a final method of correction is adapted. (Author).
Book Synopsis Meteorological and Geoastrophysical Abstracts by :
Download or read book Meteorological and Geoastrophysical Abstracts written by and published by . This book was released on 1979 with total page 1434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1978-07-21 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Record of the IEEE ... International Radar Conference by :
Download or read book The Record of the IEEE ... International Radar Conference written by and published by . This book was released on 1990 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radar Principles for the Non-Specialist by : John C. Toomay
Download or read book Radar Principles for the Non-Specialist written by John C. Toomay and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: What This Book Is This book is about radar. It will teach you the essentials of radar, the underlying principles. It is not like an engineering handbook which pro vides detailed design equations without explaining either derivation or rationale. It is not like a graduate school textbook which may be abstruse and esoteric to the point of incomprehensibility. And it is not like an anthology of popular magazine articles which may be gaudy but superfi cial. It is an attempt to distill the very complex, rich technology of radar into its fundamentals, tying them to the laws of nature on one end and to the most modern and complex systems on the other. Who It's For If your work requires you to supervise or meet as coequals with radar systems engineers or designers, this book will allow you to understand them, to question them intelligently and perhaps to provide them with a perspective (a dispassionate yet competent view) that they lack. If you are trained in another discipline but have been made the man ager of a radar project or a system program that has one or more radars as sub-systems, this book will provide you with the tools you need, not only to give your team members confidence, but also to make a substantive technical contribution yourself.
Book Synopsis AU-18 Space Primer by : Air Command Staff College
Download or read book AU-18 Space Primer written by Air Command Staff College and published by CreateSpace. This book was released on 2012-08-01 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: The US National Space Policy released by the president in 2006 states that the US government should "develop space professionals." As an integral part of that endeavor, "AU-18, Space Primer", provides to the joint war fighter an unclassified resource for understanding the capabilities, organizations, and operations of space forces. This primer is a useful tool both for individuals who are not "space aware"-unacquainted with space capabilities, organizations, and operations-and for those who are "space aware," especially individuals associated with the space community, but not familiar with space capabilities, organizations, and operations outside their particular areas of expertise. It is your guide and your invitation to all the excitement and opportunity of space. Last published in 1993, this updated version of the Space Primer has been made possible by combined efforts of the Air Command and Staff College's academic year 2008 "Jointspacemindedness" and "Operational Space" research seminars, as well as select members of the academic year 2009 "Advanced Space" research seminar. Air university Press.
Book Synopsis Introduction to Radar Systems by : Merrill I. Skolnik
Download or read book Introduction to Radar Systems written by Merrill I. Skolnik and published by . This book was released on 1988 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Principles of Modern Radar by : Mark A. Richards
Download or read book Principles of Modern Radar written by Mark A. Richards and published by SciTech Publishing. This book was released on 2023-02-17 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Modern Radar: Basic Principles is a comprehensive text for courses in radar systems and technology, a professional training textbook for formal in-house courses and for new hires; a reference for ongoing study following a radar short course and a self-study and professional reference book.
Book Synopsis Beyond the Kalman Filter: Particle Filters for Tracking Applications by : Branko Ristic
Download or read book Beyond the Kalman Filter: Particle Filters for Tracking Applications written by Branko Ristic and published by Artech House. This book was released on 2003-12-01 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: For most tracking applications the Kalman filter is reliable and efficient, but it is limited to a relatively restricted class of linear Gaussian problems. To solve problems beyond this restricted class, particle filters are proving to be dependable methods for stochastic dynamic estimation. Packed with 867 equations, this cutting-edge book introduces the latest advances in particle filter theory, discusses their relevance to defense surveillance systems, and examines defense-related applications of particle filters to nonlinear and non-Gaussian problems. With this hands-on guide, you can develop more accurate and reliable nonlinear filter designs and more precisely predict the performance of these designs. You can also apply particle filters to tracking a ballistic object, detection and tracking of stealthy targets, tracking through the blind Doppler zone, bi-static radar tracking, passive ranging (bearings-only tracking) of maneuvering targets, range-only tracking, terrain-aided tracking of ground vehicles, and group and extended object tracking.
